A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand

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A man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand.The staircase has 20 steps and each steps has height of 20 cm.If he takes 20s to climb, his power is

Options

(a) 160 W
(b) 230 W
(c) 320 W
(d) 80 W

Correct Answer:

160 W

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

1. The primary and secondary coil of the transformer have 50 and 1500 turns respectively
2. A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb.
3. The magnetic flux linked with a coil at any instant t is given by ?, find emf
4. If two vectors are equal in magnitude and their resultant is also equal in magnitude
5. Find out the angle of projection, if range is 4 times of maximum height

Topics: Work Energy and Power (94)
Subject: Physics (2479)

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